13415221

Names of 13415221

• Cardinal: 13415221 can be written as Thirteen million, four hundred fifteen thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3415221 × 10⁷

Factors of 13415221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 48022

Divisors of 13415221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 281 47741 13415221
• Sum of all divisors σ(n): 13463244
• Sum of proper divisors (its aliquot sum) s(n): 48023
• 13415221 is a deficient number, because the sum of its proper divisors (48023) is less than itself. Its deficiency is 13367198

Bases of 13415221

• Binary: 110011001011001100110101₂
• Hexadecimal: 0xCCB335
• Base-36: 7ZJ91

Squares and roots of 13415221

• 13415221 squared (13415221²) is 179968154478841
• 13415221 cubed (13415221³) is 2414312565295791838861
• The square root of 13415221 is 3662.6794836567
• The cube root of 13415221 is 237.6106727039

Scales and comparisons

• 13,415,221 seconds is equal to 22 weeks, 1 day, 6 hours, 27 minutes, 1 second.
• To count from 1 to 13,415,221 would take you about thirty-three weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13415221 cubic inches would be around 19.8 feet tall.

Recreational maths with 13415221

• 13415221 backwards is 12251431
• The number of decimal digits it has is: 8
• The sum of 13415221's digits is 19
• More coming soon!